ANCILLARY · THE SUPPORT
ANTI SILICON
GP5102
Germa-Tech Anti Silicon is an additive for 2k solid colours or clear coats, able to remove fisheyes or cratering on the paint film.
SCAN FOR THE FULL RANGE,
APPLICATION GUIDES & VIDEOS
germatech.com.au
TDS v2.3 · ISSUE 02.09.2026
SUPERSEDES 07.2022
REVIEW DUE 07.2028
READY TO USE
NO MIXING · DO NOT THIN
Paint ready for use : Anti Silicon = 1L : 0.5-2 tin cap (about 4-15g)
BY VOLUME
01SUITABLE SUBSTRATES
- 2K Solid colours
- Clear Coats
02MIXING
| Ratio by volume | Paint ready for use : Anti Silicon = 1L : 0.5-2 tin cap (about 4-15g) |
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| Ratio by weight | about 4-15g per 1L ready for use paint |
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| Notes | Application: Spray one or two coats over the paint film with fisheyes or craterings by paint mixed with Anti Silicon. |
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BEFORE YOU START — THE SYSTEM IS THE PROCESSGerma-Tech abrasives and ancillary products are graded and tested for compatibility with this product and the process on this sheet — that control is what makes any problem on the job assessable and fixable. Once a non-Germa-Tech product has been used at any step, what actually touched the panel can no longer be verified, and issues that arise cannot be fairly assessed — by us or by anyone. Use the system through the whole process, and if something on this sheet does not fit the job,
talk to us before you spray. Refer to the
GERMA-TECH APPLICATION STANDARD.
03APPLICATION
04DRYING & CURING
No drying schedule is printed on the source sheet.
05RECOAT & REWORK
IF YOU MISS THE RECOAT WINDOWOnce the film has cured past its recoat window, do not put another coat straight over it — the new coat sits on the surface and lets go at the interface. Abrade the whole area first (P800 wet or a grey abrasive pad), degrease, tack off, then recoat.
06PHYSICAL PROPERTIES
| Density | approx. 0.99 (relative density, water = 1) — estimated from the Safety Data Sheet; not separately measured |
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| Equipment cleaning | Clean guns and equipment immediately after use with gun wash or a solvent cleaner. Never let mixed 2K product start to cure in the gun — once it kicks, no solvent will save it. |
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07STORAGE, SHELF LIFE & PACKS
| Storage life (unopened) | Up to 36 months unopened — SUBJECT TO correct storage: a cool, dry place below 20 °C, out of direct sun. Heat is the biggest killer of paint in the tin: stock stored or transported in hot vehicles, tin sheds, shipping containers or direct sunlight loses life fast whatever the date on the tin, and that is where most premature failures start. Storage life is an optimal guide, not a promise that survives a hot shed. |
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| Once the seal is broken | Once the seal is broken the clock starts, and how you store it sets the pace. This product: 90 days once the seal is broken, resealed tight — then discard. |
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| Storage | Store indoors in a cool, dry place below 20 °C, out of direct sunlight, with the lid sealed tight after every use. Never store or transport in heat — not in a tin shed, a shipping container, a hot van or a sunlit rack. |
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| Pack sizes | GP5102 1LT · GP5102B 250ML |
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08PRODUCT CODES
| CODE | WHAT IT IS | PACK SIZE |
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| GP5102 | Product · Anti-Silicon (1lt | 1LT |
| GP5102B | Product · Anti Silicon (250ml | 250ML |
09WHERE IT SITS IN THE SYSTEM
BARESUBSTRATE
›
EPOXYPRIMER
›
FILLER
›
2K PRIMERSURFACER
›
SEALERWET-ON-WET
›
COLOUR
›
CLEAR
This is an ancillary — it supports the steps above rather than forming a layer of its own.
10STANDARD NOTES — THE SAME ON EVERY SHEET IN THIS SET
- Germa-Tech products are designed to work as a system — fillers, primers, basecoat, clears, hardeners, reducers, abrasives and ancillaries — each graded and tested for compatibility with the products and processes on this sheet. Performance is only assured within the system, and a fault is only assessable within it: once non-Germa-Tech product has been used in the process, what touched the panel can no longer be verified. SN10 · ALL PRODUCTS
Standard inclusions are controlled: each note applies to every product in its named set, enforced at build. They cannot drift onto some sheets and off others.
11PRODUCT-SPECIFIC NOTES
- 1. Mix with the right ratio of Anti Silicon. Excess addition may cause defects of small bubbles or pinholes.
- 2. In serious problems, fisheye affected paint film must be sanded out and filled when it is hard dry. Refinish with paint mixed with Anti Silicon.
WARNINGS CARRIED FORWARD FROM THE PREVIOUS SHEETExcess addition may cause defects of small bubbles or pinholes.
12GOOD TO KNOW — WHAT WE GET CALLED ABOUT
- Mix at the stated ratio only. Excess Anti Silicon causes small bubbles and pinholes of its own.
- For a bad fisheye, hard-dry the film, sand it out, fill, then refinish with Anti Silicon in the mix.
- It is a rescue for 2K solids and clears mid-job - not a substitute for degreasing the panel.
13TROUBLESHOOTING
| DEFECT | WHAT YOU SEE | WHY IT HAPPENED | FIX |
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Fisheyes and craters | round dimples or craters that open up in the wet film within seconds of the coat going on, each with a speck or ring at the centre | silicone, wax, oil or polish left on the panel, contaminated air lines, dirty rags or gloves, or overspray from a silicone product in the shop | add 0.5-1% Anti Silicon to the remaining paint and respray the affected area; on a serious one let the film hard dry, sand the fisheyes out, fill, then refinish with Anti Silicon in the mix - do not overdose it or you will get small bubbles and pinholes |
Blistering | small raised bubbles or pimples in the film, from about 0.5 mm up, sometimes appearing days or weeks after the job | moisture or contamination trapped under the film - water or oil in the air line, a panel not dried after washing, wet-sanded filler primed before it dried, high humidity during application, or the substrate not degreased | sand the blistered layers off down to a sound layer or the substrate, re-prime and refinish |
Delamination and peeling | a coat lets go of the one under it - the film peels, flakes or lifts off cleanly in sheets, often starting at an edge or a stone chip | the surface underneath was not keyed or was not clean - missed degrease, wrong or no undercoat, sanding grit too fine or missed altogether, recoat window blown, or basecoat left too long before clear | remove all the loose film back to a sound layer, feather the edge, re-prime and rebuild the system properly |
Die-back and gloss loss | the finish looks right coming out of the booth and then dulls off over the next hours or days | polished or handled before the film had cured, film built too heavy, flash between coats too short, wrong reducer or hardener for conditions, or poor booth air movement | let it cure, then compound and polish; if the gloss will not come up, sand and respray |
AUSTRALIAN CONDITIONSSolvent products flash faster as the temperature climbs. Above 30 °C expect a degreaser or blending solvent to evaporate before it has done its job — work smaller areas and wipe off before it dries. Keep containers closed and out of direct sun.
14HEALTH & SAFETY
HEALTH & SAFETYFlammable solvent product. Use in a well-ventilated area away from ignition sources, with respiratory, eye, skin and hand protection selected in accordance with AS/NZS 1715 and AS/NZS 1716.
Read the Safety Data Sheet before use. REVISION HISTORY
| VERSION | DATE | CHANGE |
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| v2.3 | 02.09.2026 | Reissued on the current Germa-Tech technical data sheet format. New in this issue: a quick-reference card, the hardener and reducer selection gauge, the coating thickness stack, the recoat-window recovery procedure, and a product-specific troubleshooting table. Bake schedules are now stated as metal temperature. |
15WARRANTY & FURTHER INFORMATION
TALK TO US — WE MEAN ITWe are always happy to talk to customers who contact us directly. If anything on this sheet does not fit the job in front of you — an unusual substrate, a tight timeline, a cold morning, a window you have missed — call before you spray, not after.
support@amproaustralia.com · germatech.com.au This sheet is read together with the GERMA-TECH APPLICATION STANDARD (terms, conditions of application and warranty) and the Coating Thickness Guide — both hosted with the data sheets and at germatech.com.au. Warranty is conditional on correct use of the product as described on this sheet, including the sanding steps and grits in its sanding guide, within the Germa-Tech system. The information in this data sheet is given in good faith and is based on laboratory and field testing. Ampro Australia has no control over the conditions under which this product is used, so the end user must satisfy themselves that the product is suitable for the intended application and conditions. All times are quoted at 20 °C and 50% relative humidity unless stated otherwise. This sheet supersedes all previous issues.
